error: file /usr/bin/c++filt from install of binutils-2.9.1.0.24-2 conflicts with file from package egcs-c++-1.1.2-12
AFAICT, Red Hat has not yet packaged binutils-2.9.1.0.24. The latest version that I can find is binutils-2.9.1.0.23-4 which does not have the conflict on c++filt.